haztrainer.com 网站分析
haztrainer.com - 基本信息
haztrainer.com - 页面信息
标题:
Asbestos Awareness Training & Lead Awareness Training OnlineMeta 关键词:
asbestos training, online asbestos training, 2 hour awareness, Lead awareness training, asbestos awareness training, OSHA requirementMeta 描述信息:
Asbestos Awareness Training and Lead Awareness made easy. Convenient 2-hour online training courses. OSHA approved. Print out your certificate of completion.H1:
• 2 hour Asbestos Awareness Online, • 2 hour Lead Awareness Training Online内部链接:
25 (0 nofollow)外部链接:
6 (0 nofollow)haztrainer.com - 建站技术
服务器:
nginx
SSL 安全:
不可用robots.txt:
不可用XML 站点地图:
不可用Gzip 压缩:
有效favicon.ico:
不可用haztrainer.com - HTTP Head 分析
HTTP 协议采用了请求与响应模型，通过 HTTP Header 定义了 HTTP 传输过程中的必要参数。 浏览器（例如 Internet Explorer, Google Chrome, Firefox 等）并不会显示 HTTP header 字段的内容，下面是网站 haztrainer.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Server: nginx
Date: Fri, 03 Jul 2020 19:21:52 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Cache-Control: no-cache
Content-Encoding: gzip
WPO-Cache-Status: cached
Last-Modified: Tue, 30 Jun 2020 23:12:58 GMT
Cache-Control: private, must-revalidate
Expires: Fri, 31 Jul 2020 19:21:52 GMT
Server: nginx
Date: Fri, 03 Jul 2020 19:21:52 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Cache-Control: no-cache
Content-Encoding: gzip
WPO-Cache-Status: cached
Last-Modified: Tue, 30 Jun 2020 23:12:58 GMT
Cache-Control: private, must-revalidate
Expires: Fri, 31 Jul 2020 19:21:52 GMT
haztrainer.com - DNS 记录分析
DNS 域名系统（Domain Name System，缩写）是 Internet 的一项基础服务。它作为将域名和IP地址相互映射的一个分布式数据库，能够使人更方便地访问互联网。haztrainer.com 当前共有 7 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| haztrainer.com | A | 590 | ||
| haztrainer.com | MX | 1790 | pri: 10 | |
| haztrainer.com | MX | 1790 | pri: 0 | |
| haztrainer.com | NS | 3590 | ||
| haztrainer.com | NS | 3590 | ||
| haztrainer.com | SOA | 3590 | expire: 604800 serial: 2016050400 | |
| haztrainer.com | TXT | v=spf1 +a +mx +ip4:162.144.45.75 ?all | 3590 |